ZONEMD validation can be bypassed_CVE-2026-42390

5.3 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

An invalid zone might pass ZONEMD validation while it should not. This is only relevant if ZoneToCache is configured with ZONEMD validation.

Basic Information

ID CVE-2026-42390

Source OX

Published Jun 25, 2026 at 13:01

Modified Jun 25, 2026 at 14:25

Affected Product

Vendor PowerDNS

Product Recursor

Version 5.4.0

Affected Versions PowerDNS Recursor 5.4.0

CWE Classification

CWE-20

References

docs.powerdns.com /recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html

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    "published": "2026-06-25T13:01:08.394Z",
    "modified": "2026-06-25T14:25:44.416Z",
    "type": "cve",
    "title": "ZONEMD validation can be bypassed",
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